*{
    padding: 0;
    margin: 0;
    font-family: Microsoft YaHei;
}
.thead{
     width: 100%;
     height: 25px;
     padding: 10px 0;
     background-color: #ff734c;
     z-index: 100;
     position: fixed;
    line-height: 25px;
    text-align: center;
 }
.thead>a{
    text-decoration: none;
}
.thead>a>img{
    vertical-align: bottom;
    width: 25px;
    height: 25px;
    float: left;
}
.thead>span{
    color: #ffffff;
}
body{
    width: 100%;
    height: 100%;
}
.login{
    position: relative;
    height: 667px;
}
.login>a>img{
    position: absolute;
    top: 120px;
    left: 33%;
    width: 150px;
    height: 150px;
}
.login>a>span{
    position: absolute;
    top: 280px;
    left: 33%;
    color: #ff734c;
}